Shih Tzus are known for their long, luxurious coats, but they are often mislabeled as hypoallergenic or non-shedding. In reality, Shih Tzus do shed, but their hair grows continuously and tends to fall out less than double-coated breeds. If you’re asking “why is my Shih Tzu shedding so much,” you’re likely noticing more hair than usual, which can be a sign that something is off. The most common reasons include poor nutrition, environmental or food allergies, stress, or skin conditions like seborrhea or infections. Below, we break down each cause and what you can do to help your pup.
Common Causes of Excessive Shedding in Shih Tzus
1. Diet and Nutrition
A diet lacking essential fatty acids (omega-3 and omega-6), high-quality protein, or key vitamins can lead to dry, brittle hair and increased shedding. Many commercial dog foods use fillers like corn, wheat, or soy, which provide little nutritional value.
– Look for dog food with named meat protein (e.g., chicken meal, salmon) as the first ingredient.
– Consider adding a vet-recommended omega-3 supplement (fish oil) to support skin health.
– Avoid sudden diet changes, as these can cause digestive upset and shedding.
2. Allergies
Shih Tzus are prone to allergies, which can cause itchy, inflamed skin and excessive shedding. Allergens include:
– Food ingredients (beef, dairy, chicken, grains)
– Environmental triggers (pollen, dust mites, mold)
– Contact irritants (carpet cleaners, certain fabrics)
If you suspect allergies, work with your vet to identify the cause. They may recommend an elimination diet or allergy testing. Antihistamines or medicated shampoos can also help manage symptoms.
3. Skin Infections and Parasites
Bacterial or fungal infections (like yeast dermatitis) can cause hair loss and shedding. Parasites such as fleas, mites, or lice also lead to itching and hair loss. Check for redness, bumps, dandruff, or a foul odor. Your vet can diagnose and prescribe appropriate treatments, never use over-the-counter products without guidance.
4. Stress or Hormonal Imbalances
Stress from changes in routine, new pets, or separation anxiety can trigger shedding. Hormonal issues like hypothyroidism or Cushing’s disease also cause symmetrical hair loss and excessive shedding. If your Shih Tzu shows other symptoms (weight gain, lethargy, increased thirst), a vet check is essential.
Grooming Tips to Manage Shedding
Even with a healthy dog, some shedding is normal. Proper grooming can reduce loose hair and keep the coat healthy:
– Brush daily: Use a slicker brush or pin brush to remove loose hair and prevent mats. Mats can trap moisture and lead to skin infections.
– Bathe monthly: Use a gentle, moisturizing shampoo formulated for dogs. Over-bathing can strip natural oils and worsen shedding.
– Hydrate skin: If the air is dry, use a humidifier or apply a vet-approved leave-in conditioner spray.
– Trim hair: A shorter haircut (like a puppy cut) makes shedding less noticeable and easier to manage.
When to See the Vet
If your Shih Tzu’s shedding is accompanied by:
– Bald patches or thinning spots
– Red, flaky, or greasy skin
– Excessive scratching or licking
– Lethargy or appetite changes
Consult your veterinarian. They can run tests to rule out medical conditions and recommend treatments. Do not attempt to diagnose or treat serious skin issues on your own.
Prevention and Long-Term Care
Maintain a consistent routine:
– Feed a balanced diet with quality ingredients.
– Keep up with flea/tick prevention year-round.
– Reduce stress with regular exercise, play, and a stable environment.
– Schedule annual vet checkups with skin and coat evaluation.
By addressing the root cause, you can help your Shih Tzu shed less and keep their coat shiny and healthy.
Key Takeaway
Persistent excessive shedding in a Shih Tzu usually signals an underlying issue-address diet, allergies, or stress with your vet to restore coat health.